diff --git a/oeffi/build.gradle b/oeffi/build.gradle
index a167570..881d239 100644
--- a/oeffi/build.gradle
+++ b/oeffi/build.gradle
@@ -88,6 +88,8 @@ android {
     packagingOptions {
         exclude 'META-INF/*.version'
         exclude 'META-INF/proguard/**'
+        exclude 'META-INF/*.kotlin_module'
+        exclude 'kotlin/**'
         exclude 'okhttp3/internal/publicsuffix/publicsuffixes.gz'
     }
 }